409963097993 has 2 divisors, whose sum is σ = 409963097994. Its totient is φ = 409963097992.

The previous prime is 409963097987. The next prime is 409963098007. The reversal of 409963097993 is 399790369904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258931375609 + 151031722384 = 508853^2 + 388628^2 .

It is a cyclic number.

It is not a de Polignac number, because 409963097993 - 2³⁴ = 392783228809 is a prime.

It is not a weakly prime, because it can be changed into another prime (409963097893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204981548996 + 204981548997.

It is an arithmetic number, because the mean of its divisors is an integer number (204981548997).

Almost surely, 2^409963097993 is an apocalyptic number.

It is an amenable number.

409963097993 is a deficient number, since it is larger than the sum of its proper divisors (1).

409963097993 is an equidigital number, since it uses as much as digits as its factorization.

409963097993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89282088, while the sum is 68.

The spelling of 409963097993 in words is "four hundred nine billion, nine hundred sixty-three million, ninety-seven thousand, nine hundred ninety-three".